Category Archives: Knowledge

Calculate total event number in array by reduce method

let arr = [1,3,4,5,6,7,8]; let totaleven = arr.reduce((result,item)=>{ if(item %2 == 0) result += item; return result; }) console.log(totaleven);

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Full stack JavaScript web development Curriculum

A complete resource to learn Full stack JavaScript web development. This comprehensive program includes over 12 courses, 12 projects and hundreds of source code snippets. The only resource you will need to learn Full Stack web development. Module 1: Introduction: … Continue reading

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What Is a Requirement Traceability Matrix?

From https://stackify.com/what-is-a-requirement-traceability-matrix/?utm_medium=pushnotifications&utm_source=onesignal&utm_campaign=onesignal When developing software applications, we want to make sure the application does what the software requirements say it’s supposed to do, and testing proves that it does. In this article, I’ll explore how to link requirements to test … Continue reading

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SignalR script test in HTML

As far as I know, when you run the singlar hub in the server side, it will auto generate the SignalR hub script. If you want to access the signlar from client, you also need use the autogenerated  signalR hub script. … Continue reading

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Global Data Historian Market to reach USD 1419.56 million by 2025.

Global Data Historian Market valued approximately USD 832.4 million in 2017 is anticipated to grow with a healthy growth rate of more than 6.90% over the forecast period 2018-2025. The Data Historian Market is continuously growing on surging trend in … Continue reading

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Japanese verb conjugation

https://en.wikipedia.org/wiki/Japanese_verb_conjugation Verb conjugates are often grouped into consonant-stems (五段動詞, godandōshi)(V5) (type I) and vowel-stems (一段動詞, ichidandōshi, いる, iru and える eru forms)(V1)(type II). The plain form of a type I verb has an う u sound (u, tsu, ru, ku, gu, nu, bu, mu, su), the ~ます -masu form has an い i sound (i, chi, ri, ki, gi, ni, bi, mi, shi), and the negative form has an あ a sound (wa, ta, ra, ka, ga, na, ba, ma, sa). The potential form has an え e sound … Continue reading

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Korean tenses

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